Home / 82,799.40-124,199.10-49,621.80

Finding the Fourth Proportional to 82,799.40, 124,199.10 and 49,621.80

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Solution

The fourth proportional to 82,799.40, 124,199.10 and 49,621.80 is: 74,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,799.40 : 124,199.10 = 49,621.80 : x
  2. Step 2: Convert to fraction form
    82,799.40/124,199.10 = 49,621.80/x
  3. Step 3: Cross multiply
    82,799.40x = 124,199.10 × 49,621.80
  4. Step 4: Simplify right side
    82,799.40x = 6,162,982,900.38
  5. Step 5: Solve for x
    x = 6,162,982,900.38/82,799.40
  6. Step 6: Final answer
    x = 74,432.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.